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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  *
  6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  7:  *
  8:  * For the full copyright and license information, please view
  9:  * the file license.txt that was distributed with this source code.
 10:  */
 11: 
 12: namespace Nette;
 13: 
 14: use Nette;
 15: 
 16: 
 17: /**
 18:  * Provides the base class for a generic list (items can be accessed by index).
 19:  *
 20:  * @author     David Grudl
 21:  *
 22:  * @property-read \ArrayIterator $iterator
 23:  */
 24: class ArrayList extends Object implements \ArrayAccess, \Countable, \IteratorAggregate
 25: {
 26:     private $list = array();
 27: 
 28: 
 29:     /**
 30:      * Returns an iterator over all items.
 31:      * @return \ArrayIterator
 32:      */
 33:     public function getIterator()
 34:     {
 35:         return new \ArrayIterator($this->list);
 36:     }
 37: 
 38: 
 39:     /**
 40:      * Returns items count.
 41:      * @return int
 42:      */
 43:     public function count()
 44:     {
 45:         return count($this->list);
 46:     }
 47: 
 48: 
 49:     /**
 50:      * Replaces or appends a item.
 51:      * @param  int
 52:      * @param  mixed
 53:      * @return void
 54:      * @throws OutOfRangeException
 55:      */
 56:     public function offsetSet($index, $value)
 57:     {
 58:         if ($index === NULL) {
 59:             $this->list[] = $value;
 60: 
 61:         } elseif ($index < 0 || $index >= count($this->list)) {
 62:             throw new OutOfRangeException("Offset invalid or out of range");
 63: 
 64:         } else {
 65:             $this->list[(int) $index] = $value;
 66:         }
 67:     }
 68: 
 69: 
 70:     /**
 71:      * Returns a item.
 72:      * @param  int
 73:      * @return mixed
 74:      * @throws OutOfRangeException
 75:      */
 76:     public function offsetGet($index)
 77:     {
 78:         if ($index < 0 || $index >= count($this->list)) {
 79:             throw new OutOfRangeException("Offset invalid or out of range");
 80:         }
 81:         return $this->list[(int) $index];
 82:     }
 83: 
 84: 
 85:     /**
 86:      * Determines whether a item exists.
 87:      * @param  int
 88:      * @return bool
 89:      */
 90:     public function offsetExists($index)
 91:     {
 92:         return $index >= 0 && $index < count($this->list);
 93:     }
 94: 
 95: 
 96:     /**
 97:      * Removes the element at the specified position in this list.
 98:      * @param  int
 99:      * @return void
100:      * @throws OutOfRangeException
101:      */
102:     public function offsetUnset($index)
103:     {
104:         if ($index < 0 || $index >= count($this->list)) {
105:             throw new OutOfRangeException("Offset invalid or out of range");
106:         }
107:         array_splice($this->list, (int) $index, 1);
108:     }
109: 
110: }
111: 
Nette Framework 2.0.11 API API documentation generated by ApiGen 2.8.0